/*
 * Copyright 2020 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.optaplanner.core.impl.domain.valuerange;

import org.optaplanner.core.api.domain.valuerange.CountableValueRange;
import org.optaplanner.core.api.domain.valuerange.ValueRange;
import org.optaplanner.core.api.domain.valuerange.ValueRangeFactory;

/**
 * Abstract superclass for {@link CountableValueRange} (and therefore {@link ValueRange}).
 *
 * @see CountableValueRange
 * @see ValueRange
 * @see ValueRangeFactory
 */
public abstract class AbstractCountableValueRange<T> implements CountableValueRange<T> {

    @Override
    public boolean isEmpty() {
        return getSize() == 0L;
    }

}
